Text Diff Checker

Compare two texts line by line and see differences highlighted in color.

About Text Diff

The Text Diff Checker uses the Longest Common Subsequence (LCS) algorithm to compare two texts line by line. Green lines indicate additions, red lines indicate deletions, and unchanged lines appear in gray.

FAQ

Is my text sent to a server?
No. All comparison happens in your browser.
Can I compare code?
Yes. The tool works with any text including code, JSON, CSV, etc.

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